course number: pe exam review - civil engineering … pe review... · course number: pe exam review...
TRANSCRIPT
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Course Number: PE Exam Review - Civil Engineering Instructor: Russell Briggs, PELecture Number: 04 Water Resources & Environmental 01
© North Carolina State University, All Rights Reserved
Lecture Notes
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P.E. Review
Water Resources &
Environmental
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• Introduction
• Expectations of this review
• How many problems do you need to know to pass?
• The one page in Lindeburg that you need to know
• Topics we will cover
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Russell Briggs, P.E.
BSCE, MSCE NC State
P.E. Registration No. 11889 (1984)
Current Registration #s are 39000+
> 2/3 of all PE registrations ever conferred after 1984.
Principal in B&F Consulting.
I use the material from this review daily.
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• Introduction
• Expectations of this review
• How many problems do you need to know to pass?
• The one page in Lindeburg that you need to know
• Topics we will cover
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What this course is:
A review of Water Resources & Environmental
A means to prepare by illustrating typical problems you may encounter.
What this course isn’t:
A high school algebra class
A means to show every problem you may see on the exam.
An exhaustive treatment of the topics selected that we will review.
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• Introduction & Contact information
• Expectations of this review
• How many problems do you need to know to pass?
• The one page in Lindeburg that you need to know
• Topics we will cover
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Passing Rate is +/- 70%
80 Problems, means you must score correctly on 70% x 80 = 56 Problems
Multiple choice, so if you “know” 48 problems, and guess on the remaining 32, you should score correctly
48 + (25% X 32) = 56 Problems
Then, actually, 48/80, or 60% is the number of problems you must “know”.
Strategy: get all the morning problems, then, after you do 8 problems in the afternoon, you can leave early… say around 2 p.m.
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How many problems would a 1st grader score correctly? 20 out of 80 Correct from guessing 8 First-grader score 20 “4 years of experience & 16 years of education” 28 56 The State of North Carolina will confer upon you the
title of Professional Engineer if you “know” 28 more problems than a first-grader answers correctly on an 80 problem test.
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• Introduction
• Expectations of this review
• How many problems do you need to know to pass?
• The one page in Lindeburg you must know
• Topics we will cover
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Page 28-2
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Municipal Solid Waste
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The Engineer sees:
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The Test-Maker sees:
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• A Municipality has an aggressive infiltration and inflow program that minimizes stormwater and groundwater flow into the sewer system. Therefore, what is the most likely size of a wastewater treatment plant for a municipality that has a 2 MGD water treatment plan?
a) 1.0 MGD c) 2.0 MGD b) 1.4 MGD d) 2.8 MGD
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• A Municipality has an aggressive infiltration and inflow program that minimizes stormwater and groundwater flow into the sewer system. Therefore, what is the most likely size of a wastewater treatment plant for a municipality that has a 2 MGD water treatment plan?
a) 1.0 MGD c) 2.0 MGD b) 1.4 MGD d) 2.8 MGD 2 MGD Water Treatment X 75% return
= 1.5 MGD Wastewater Treatment
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• What is the best estimate, in MGD, of sewer flow for new development for 2300 people?
a) 0.2 MGD c) 0.1 MGD b) 0.5 MGD d) 0.8 MGD
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• What is the best estimate, in MGD, of sewer flow for new development for 2300 people?
a) 0.2 MGD c) 0.1 MGD b) 0.5 MGD d) 0.8 MGD
2300 people X 100 gpd/person = 230,000 gpd = 0.23 MGD
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• Combined sewer systems occur most often in
a) Planned developments b) Older cities c) California d) Rural counties
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• Combined sewer systems occur most often in
a) Planned developments b) Older cities c) California d) Rural counties
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• Introduction
• Expectations of this review
• How many problems do you need to know to pass?
• The one page in Lindeburg you must know
• Topics we will cover ncees.org
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Civil Breath (AM) Exam EIGHT Questions from
Water Resources and Environmental including:
A. Hydraulics – Closed Conduit B. Hydraulics – Open Channel C. Hydrology D. Wastewater Treatment E. Water Treatment
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A. Hydraulics – Closed Conduit - Energy and/or Continuity Equation
- Pressure Conduit (e.g. force mains) - Closed pipe flow equations Hazen-Williams, Darcy-Weisbach - Friction/Minor Losses - Pipe network analysis e.g. pipeline design, loop networks - Pump application and analysis
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Civil Breath (AM) Exam EIGHT Questions from Water Resources
and Environmental including:
A. Hydraulics – Closed Conduit B. Hydraulics – Open Channel C. Hydrology D. Wastewater Treatment E. Water Treatment
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B. Hydraulics – Open Channel - Open-channel flow (e.g. Manning’s eq.)
- Culvert design - Spillway capacity - Energy dissipation (hydraulic jump) - Stormwater collection (inlets, gutter flow, street flow, storm sewer pipes) - Flood plains/floodways - Flow measurement – open channel
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Civil Breath (AM) Exam EIGHT Questions from Water Resources
and Environmental including:
A. Hydraulics – Closed Conduit B. Hydraulics – Open Channel C. Hydrology D. Wastewater Treatment E. Water Treatment
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C. Hydrology - Storm characterization
- Storm frequency - Hydrographs application - Rainfall intensity, duration and frequency - Time of concentration - Runoff analysis (Rational & NRCS) - Erosion - Detention/retention ponds
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Civil Breath (AM) Exam EIGHT Questions from Water Resources
and Environmental including:
A. Hydraulics – Closed Conduit B. Hydraulics – Open Channel C. Hydrology D. Wastewater Treatment E. Water Treatment
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D. Wastewater Treatment - Collection systems
lift stations, sewer networks infiltration and inflow - Rainfall intensity, duration and frequency - Time of concentration - Runoff analysis (Rational & NRCS) - Erosion - Detention/retention ponds
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Civil Breath (AM) Exam EIGHT Questions from Water Resources
and Environmental including:
A. Hydraulics – Closed Conduit B. Hydraulics – Open Channel C. Hydrology D. Wastewater Treatment E. Water Treatment
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E. Water Treatment - Hydraulic loading
- Distribution system infiltration and inflow - Rainfall intensity, duration and frequency - Time of concentration - Runoff analysis (Rational & NRCS) - Erosion - Detention/retention ponds
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Transportation Depth (PM) Exam Ten Questions from Other Topics
A. Hydraulics - Flow measurement – closed conduits
- Open channel, sub & supercritial flow B. Hydrology - Hydrograph development & synthetic C. Engineering properties of soils & materials D. Soil mechanics analysis E. Engineering Economics F. Construction operations and methods - NPDES permitting G. Temporary structures
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Geotechnical Depth (PM) Exam
Five Questions from Other Topics
A. Groundwater and well fields - Well logging and subsurface properties
- Aquifers - Groundwater flow (Darcy’s law) - Well analysis (steady flow only) - Groundwater control (drainage, deh20) B. Loadings C. Construction operations & methods D. Temporary structures E. Worker health, safety and environment
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Structures Depth (PM) Exam
NO Questions from Water Resources & Environmental topics
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Water Resources &Environmental (PM) Exam
39 questions A. Hydraulics – Closed Conduit B. Hydraulics – Open Channel C. Hydrology D. Groundwater and well fields E. Wastewater Treatment F. Water Quality G. Water Treatment
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A. Hydraulics – Closed Conduit (+/-6 questions) - Energy and/or Continuity Equation
- Pressure Conduit (e.g. force mains) - Closed pipe flow equations Hazen-Williams, Darcy-Weisbach - Friction/Minor Losses - Pipe network analysis e.g. pipeline design, loop networks - Pump application and analysis - Cavitation - Transient analysis (e.g. water hammer) - Flow measurement – closed conduits - Momentum equation (thrust block)
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B. Hydraulics – Open Channel (+/- 6 questions) - Open-channel flow (e.g. Manning’s eq.)
- Culvert design - Spillway capacity - Energy dissipation (hydraulic jump) - Stormwater collection (inlets, gutter flow, street flow, storm sewer pipes) - Flood plains/floodways - Flow measurement – open channel - Gradually varied flow
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C. Hydrology (+/-6 questions) - Storm characterization
- Storm frequency - Hydrographs application - Rainfall intensity, duration and frequency - Time of concentration - Runoff analysis (Rational & NRCS) - Erosion - Detention/retention ponds - Hydrograph development, synthetic - Depletions (transpiration, evap, infiltration) - Sedimentation
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D. Groundwater and Well Fields (+/- 3 quest.) - Aquifers (e.g. characterization)
- Groundwater flow (Darcy’s law) - Seepage analysis - Groundwater control, drainage, dewatering - Water quality analysis - Groundwater contamination - Erosion - Detention/retention ponds - Hydrograph development, synthetic - Depletions (transpiration, evap, infiltration) - Sedimentation
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E. Wastewater Treatment (+/- 6 questions) - Collection systems
lift stations, sewer networks infiltration and inflow - Wastewater flow rates - Unit operations and processes - Primary & Secondary treatment - Secondary clarification - Biological & Physical treatment - Solids handling ( thickening, drying) - Disinfection, nitrification, denitrification - Operations (e.g. odor & corrosion cntl) - Advanced treatment, etc. etc. etc.
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F. Water Quality (+/- 6 questions) - Stream degradation (e.g. thermal, base
flow, TDS, TSS, BOD, COD) - Oxygen dynamics (oxygen sag curve) - Risk assessment and management - Toxicity - Biological contaminants (algae, mussels) - Chemical contaminants (organics, metals) - Bioaccumulation - Eutrophication - Indicator organisms and testing - Sampling and monitoring (eg QA/QC, laboratory procedures)
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G. Water Treatment (+/- 6 questions) - Hydraulic loading
- Distribution system - Demands - Storage (raw and treated water) - Sedimentation - Taste and odor control - Rapid mixing - Coagulation and flocculation - Filtration - Disinfection - Advanced treatment (membranes, activated carbon, desalination)